Flexible roller



Jne 24, 1930. Ca, FISK 1,768,044

FLEXIBLE ROLLER Filed March l2, 1926 2 Smets-sneer 1 June 24, 1930. G.L, HSK l 1,768,044

\ FLEXIBLE ROLLER v Filed march 12, 1926 2 sheets-sheet 2 i L @Mg 5f L GL M Ln ww INVENTOR Patented .lune 247,7,1930 y I f Y. g e y i performedlbyt .2.o ers 'in'operation5l` thus neeessitatingr'the use theroll'e'rfehaft 25 the'case ofreverfsinfr nn the table rollerslea'nbereversed;

GUSTAN L. msx, oF'MInLnNDQrENNsYLvANIn, AssIGNoR To:MAW-KNOXv COMPANY, fi4,or rrmsnunem,PENNSYLVANIA,1A ooRPoRAmIoN; on PENNSYLVANIA yvr1.1izXIBIQE ROLLERJr l i Y i l Apiicanbn :md Maren 12, ieee. semaine.94209. 3

This Vinvention'relatesgto*rollers used in ,of lliexibility.M `Myimproved roller 'comprsfesV conveying" apparatus lsuch as rolltables'for a shafn'a'relatively movable body and spring" i f rollingmill Ioperations,"but 'it-'vvll :be kun-v means tending` yto eentralizethe vbody on the v derstoodAV that the invention has many vother shaft.Preferably the spring surrounds 'the 5 applieations; e y Y shaftandexertsaforeeendwise ofthe roller," 55'? f The rollers noyv'employedin roller tables wliikchfthrough a 'connection such as a Wedge fi w for'steel mill Workl arev generally made' of a means5l acts onfthebodyofthe rollerto een-gl steel shaft and a eastv iron or eaststeel rollertralize the same, 'When `the roller V.is subfVA i body machined Vto'it'thefshaft vvThe roller jeeted to shock the.springiscompressed and" A10 bodyis'ma'derholl-ovv'orfsolid5but any eventv the 'roll bodytemporarily shifts ,toaznonv60 f it isfvery heavin proportionftogthedutyl central position relative"tothe shaft?, butV e 'rollenv'I-Iowever,itises as soon as 'the"shoelfis relieved the spririgg;`'sential that vthe heavy roller be provided in 'again' centralizes thebody on the shaft. 'PreltlV orderv to secure sound feastings'rfand totake erably vthefivedg'e means isprovided "at 'ea-oh" Y 15 eare'ofvshoekjloads. `Even thoughthese end 'ofthe'rolh but it is'vgenerallyifound nee! 65' rollers are made especially heavy,rthey stillvessa'ry 'to provide only a' single spring toet-' Y break', crack andWarp'. feet thev desired result. Lubriea'ting means "The'heavyyWeighl'fof the rollers requires a fon-the Wedges may-falso belprovided, ther considerable amount'of poWerto-setthe rolllubricantbeing. preferably supplied through Y ,fl v 70 Vof motors whichareeisgeessively large in In'fthe aeeompanyingdravvngs illustratingView` of the useful work'performed injpro av preferredjfembodimentoftheinventinf f pel'ling an ingota bloom', Ya billet or .aber of Figure "lis a longitudinal?'seetion:throughvsteelfby turning. the'sup ortingrollers?l In atablefroller embodying theinventiongff' l" l li's'thespeed oflrollv Figure" Y is an end vieyvfofjthe rollershoyvn* 75" 1 ving'isuofte'n'limitedbyfthespeed*atwhich .in ligureflg"vv 7 "i ifligurel isa" cross section of the roll rtaken1 l"jTable-rollers in steelmillsl are subject to generally ongthe line IIfIIeI vofFigure l,`

. i o shoeltsand blolvvs'ffroxn the material handled butfyvith oneo'ftvhefwedge elements removed;I

'3e andthe rigidr'ollers nowemployed ireq'uent-IfFigureisa'vi-ew"similar-to*Figure .ljjbutj ao y y ly ycrack and breakon' accountbf such shocks showing. a 'slightly modilied fermoir-011er; yy

and also'waip'-on-aeeountfofthe uneven'heatand'showingth'efroll deiieetedat oneingeffeeted fthehots'teel'being handled.'l endif L y' This"warping yfrequently.,eausesgthe Vroller l Figure fiyi`sga,seetionyltalren throughlthef, 35v shafts-to getfoftof proper lignmentwithzrollery ofjFigureflfon'the'liiietVYI 518s" their bearings. 1 f .1 f f j'4 'f shoyvinjlg thepa'rts intheir'normalposition-; lf y y Tablerollersfor less'fs'ever'eserviee have is Figure aVsimilarView;taken'yfon,the been made fsteelfpipe forming fthe'l rollerlin'eV-#Vfbut showing'the yparts inthe' abfb'aril'el 'and having east`iron or Steel plugsV normal positionnofFigurelyandf" i -z '40 littedinto the ends :thereof and bored to t' 'Figur'e 7"is a perspe'etiveyvievv of fone 9()4 "j .a the shri'ft'oithe rollen vv:These rollers can:be. thevve'dgeelement's" employed.i v Y Y emadematerally.lighterpthan'the cast roll-gl fferringiirsttofF'gurel,`there'is'sho`yvn,

- ers but,ldue to thelackofilexibilityithey'arefYarollerfbarrel-Qvvheh`l isfpreferablyfinadeff Y 1 l ing of relativelyliglitfarticles.; provide plaee lby iriyetsil, Y AThe heads 'Bfaregprei?,-b troller Which-,does V'away with'the"objectionsy 'ably-steelcastings and on theirinterior,'faces'`v oo-both of the yabove types'of,rollers'and they areprovided'vvithVsliaped 'vvedgepo'r notadapted'towitlietandjheavyblows *and` Qfflapvvelded pipeandi.havingfheads'l 3in1/ their use, therefore, isV limited tothfefeonvey-v either end thereof. These headsareheld in 951i;V e e'formsanextremely. ysatisi'aet'ory roller hav-V tions vvhiehfitintolsimilarly'sliaped lgroove-sy'; y

" "50 ngvery great `st treligvzlr and a certain amount (ion hubs 7Y andThehubsare carried -onxillrf`ira shaft 9 and the hub 7 fits against ashoulder 10 on such shaft. A key 11 is provided in the keyway 11b forpreventing the hub 7 Y from rotating. The hub is preferably pressed ontothe shaft so as to make atight t.

Tlieliub 8 is slidablyrinounted on'the shaft but is provided with a keyengaging the key way 12 inthe shaft so as. to prevent'rotation ofthe hubrelative to the shaft. A coil spring' 13y surrounds the shaft and-bearsat one endl .againsttlie hubB and'atthe other end against a collar 14which fits overthe shaft` and is heldin place by a shoulder 15. Inassembling the roller endwisev pressure is applied so as Vto place thespring ,'13 under compres# sion vand the Vhead of the roller` which isvremote from` the spring is then fa'stenedin place.` A groove 16isprovided Yin the shaft V8 outwardlyand tends to a coaxial relation withthe shaft 9. I -Iowl ever, if a sudden load is placed on the roller,say,A at the riglithand end'thereof as viewed wedges are edectiveforfurthercompressingy theyspring 13 and as soon .as the. load is Yre-Vmoved or diminished the hub 8 ismoved endadjaceiitfthis headto permitinsertion of ther rivetslla There arepreferably four yWedges 5 andcorrespondinggroovesf as shown in Figures y5 to 7in'clusivef Thespiing`134 presses the hub hold the barrel 2 in' in vr Figure 1,the'roll body is defiected, butthe vwiseloytliefspring andthe roll'bodyis restored tn itsf initial position.y 'During this operation the rollbody rocks around the wedgesat-the'remote end of the roller.` VNowassumethat'a load issuddenlyjapplied to the leftha'ndfend ofthe rolleras viewed in Figure 1. The 'rollbodfy7 will tendfto moVS/to a nonaxialposition by forcing the wedge portions'f out of l their grooves 6.T-hehub7 is .imniovablebut the-roll body itselfwill be disp Yplacedendwise slightly andthe hubgS will 'be niovedandl the springlcompressed as bei' In ligure there .is shownalifoller fore, i 'DuringY-this operationthe roll body rocksV about the wedge portionswhichcooper'- V f for somewhat heavier service than the'l roller showninFigure 1 andenthis account the de-V '6.0.-A

tails of construction yare changed somewhat,V

i' althoughthefprinciple of operation remains the same, 'llhe partswhich cjorrespondfxto Parts. .intl-ligure. 1 hafVe-benfgVenl-the Sam-eY' referencefcliaracters V withthe Vletter a suffixed thereto. i;Tlieroller of Figure 4: isshown with the right liand end of therollbodygdis#` placed andthe dotted `lineswill make it clear tratedfinFigure/4;... Y p n* d thatthewedge por- V.It Will be understoo tions or5a will innove intheir corresponding roll body,

grooves in a greater or less amount, depending not only on the loadapplied, but also on ythe angular position of the wedges with respect tothe direction of application of Ysuch Yload. For purposes ofillustration I have shown the load as applied along the length of onepair of wedges andperpendicular to the other pair of wedges, but it willbe understood that even though all of the wedges were at an angle'tothedirection of application of the load the action wouldbe substantiallythe same. j

'Referring to FiguresV 4 Vand 6, it will be noted that the head 3a isV'in contact `atone point with the shaft 9a. The sliockload/is` largelyabsorbed bythe lspringglbutin ordertoprevent overloading of the springthe clearance betweenthe roller heads andthe shaft andythefinclination of the wedgefaces i 5L and theircorresponding groovesaresode signed that a head'will come into contact with ythe shaft yunderapredetermined load. andv thus limit the amount of movement of'jthe Theroller automatically accommodates beunderstood that the roll body mayrotate'y in a non-axial relationwith the roll shaft. due to the actionvof the wedges. Referring-'to truly circular but areprovided-.withopenings of varying radius.v The clearancebetween the shaft and theheads is v thus in a varying` amount. This compensates,fonthegdilferencein effectiveness of the wedges atvaryinglangular. positions with respecttov the line'of Vapplication of the load and makes Vthe' maXimum allowedyspring compression the same V irrespective Aof the position of theroller.k

. Y itself tochanges in the lengthsof the-various 1 partsdue to heat aswillloe apparent It will n n V Figure 2,itw1ll be noted thatthecentral;v vopenings through the-heads 3 and Saarenot l In order'toluhricatethe partsI provide' holes A17 in Y the shaft, these holesbeingfsubstantially coaxial Y therewith.v Preferably they are providedwithvthrearded endsh18 for accommodatingjaplug or grease"gun.con-Awhichare formed on the interior ofthehubs 7 and 8.' VHoles'21 leadfrom'thegrooves'f20 partsfmfaybe suitablylubricated.

I have illustrated and described apreferred embodiment and applicationof vmy invention, A

VV,but "it will be understood that itsy design and use may bevariedgasdesired-. For instanceV vseveralsprings may be usedinsteadofone and Y various other changes be made Vthe scope-lof the following`claims.

I claim movable roll loody, Vanda wedge 'member on Within `."1. A rollercomprising a shaft7 a relatively'4 -Y theshaft, the wedge member havingawork-' ing face, the wedge having a lubricant. pas-'f i Sagetherethrough terminating ,man opening so:Y W

ico

in the periphery of the shaft inside the Wedge member, the Wedge memberhaving a cooperating lubricating passage terminating in the Workingface.

my hand.

n 2. A rollervcomprising' a shaft, la relatively movable body, a hubslidable'on theshaft, and Wedge means on the huh for controlling themovement of the roll body, the shaft having an openingextending-therethrough for the supply of lubricant, the openingterminating- Within the hub, and the hub having an open ing thereinadapted to register with the opening in the shaft despite movement ofthe hub,

the opening inthe means thereon. v

In testimony whereof I have yhereunto set GUsTAF-L. Fien.'

hub leading'tothe Wedge

